235153649 has 2 divisors, whose sum is σ = 235153650. Its totient is φ = 235153648.

The previous prime is 235153637. The next prime is 235153651. The reversal of 235153649 is 946351532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230827249 + 4326400 = 15193^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 235153649 - 2¹² = 235149553 is a prime.

Together with 235153651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (235153609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117576824 + 117576825.

It is an arithmetic number, because the mean of its divisors is an integer number (117576825).

Almost surely, 2^235153649 is an apocalyptic number.

It is an amenable number.

235153649 is a deficient number, since it is larger than the sum of its proper divisors (1).

235153649 is an equidigital number, since it uses as much as digits as its factorization.

235153649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 235153649 is about 15334.7203756704. The cubic root of 235153649 is about 617.2350420150.

The spelling of 235153649 in words is "two hundred thirty-five million, one hundred fifty-three thousand, six hundred forty-nine".